Button don't work on mobile divice

can anybody tell me why this dont work on my mobile device?
i have testet it on a pc and it works fine.
i testet whit only a on mouse and surface node. it works…

i think you put controls specific to pc not mobile touch functions.Dont know cross check whether you have mobile touch functions.or you can check this Virtual gamepad with support multi-touch

i have tryed it but i cant complied. becaus it fails. so i make a workaround with canvas buttons and it works fine.

great.it seems your problem is solved